{"id":"W2159388301","doi":"10.1186/1747-597x-6-34","title":"Difficulty accessing crack pipes and crack pipe sharing among people who use drugs in Vancouver, Canada","year":2011,"lang":"en","type":"article","venue":"Substance Abuse Treatment Prevention and Policy","topic":"HIV, Drug Use, Sexual Risk","field":"Medicine","cited_by":32,"is_retracted":false,"has_abstract":true,"ca_institutions":"St. Paul's Hospital; BC Centre for Disease Control; University of British Columbia; Simon Fraser University","funders":"National Institute on Drug Abuse; Canadian Institutes of Health Research; National Institutes of Health","keywords":"Medicine; Odds ratio; Confidence interval; Logistic regression; Forensic engineering; Engineering; Internal medicine","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.0001028206,0.0003231387,0.000483069,0.0002085846,0.000159934,0.00007308033,0.00008635363,0.00009771009,0.00006577771],"category_scores_gemma":[0.00003617217,0.0002737555,0.00005790595,0.0003965284,0.00008023503,0.0007110419,0.0000249848,0.0001441642,0.000003340037],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005357874,"about_ca_system_score_gemma":0.0002283403,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.3387094,"about_ca_topic_score_gemma":0.94223,"domain_scores_codex":[0.9983355,0.00006735549,0.0004075874,0.0005099442,0.0002306383,0.0004489952],"domain_scores_gemma":[0.9990519,0.00006982616,0.0001721992,0.0003609134,0.00005324278,0.0002919339],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0002061025,0.0004652148,0.8706394,0.0001061256,0.00009251446,0.00006123577,0.1128453,0.000003869446,0.0001368219,0.0001021091,0.0004939734,0.0148474],"study_design_scores_gemma":[0.003938657,0.0001787397,0.9805696,0.0005444488,0.0001362741,0.00001108389,0.01202373,0.0001904299,0.001136778,0.0002156373,0.0007498171,0.0003048161],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.997402,0.0004755731,0.00002468459,0.00008965415,0.0001256121,0.0005928566,0.00002074989,0.00006107838,0.001207758],"genre_scores_gemma":[0.9833313,0.00289869,0.0002297621,0.0001228803,0.00008762381,0.00005853143,0.0000354959,0.00003822617,0.01319747],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.6035206,"threshold_uncertainty_score":0.9999714,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04507909612762519,"score_gpt":0.3183203678029354,"score_spread":0.2732412716753103,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}